mindspore/tests/ut/python/dataset/test_random_sharpness.py

355 lines
14 KiB
Python

# Copyright 2020-2022 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""
Testing RandomSharpness op in DE
"""
import numpy as np
import mindspore.dataset as ds
import mindspore.dataset.transforms
import mindspore.dataset.vision as vision
from mindspore import log as logger
from util import visualize_list, visualize_one_channel_dataset, diff_mse, save_and_check_md5, \
config_get_set_seed, config_get_set_num_parallel_workers
DATA_DIR = "../data/dataset/testImageNetData/train/"
MNIST_DATA_DIR = "../data/dataset/testMnistData"
GENERATE_GOLDEN = False
def test_random_sharpness_py(degrees=(0.7, 0.7), plot=False):
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with Python implementation
Expectation: The dataset is processed as expected
"""
logger.info("Test RandomSharpness Python implementation")
# Original Images
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
transforms_original = mindspore.dataset.transforms.Compose([vision.Decode(True),
vision.Resize((224, 224)),
vision.ToTensor()])
ds_original = data.map(operations=transforms_original, input_columns="image")
ds_original = ds_original.batch(512)
for idx, (image, _) in enumerate(ds_original.create_tuple_iterator(num_epochs=1, output_numpy=True)):
if idx == 0:
images_original = np.transpose(image, (0, 2, 3, 1))
else:
images_original = np.append(images_original,
np.transpose(image, (0, 2, 3, 1)),
axis=0)
# Random Sharpness Adjusted Images
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
py_op = vision.RandomSharpness()
if degrees is not None:
py_op = vision.RandomSharpness(degrees)
transforms_random_sharpness = mindspore.dataset.transforms.Compose([vision.Decode(True),
vision.Resize((224, 224)),
py_op,
vision.ToTensor()])
ds_random_sharpness = data.map(operations=transforms_random_sharpness, input_columns="image")
ds_random_sharpness = ds_random_sharpness.batch(512)
for idx, (image, _) in enumerate(ds_random_sharpness.create_tuple_iterator(num_epochs=1, output_numpy=True)):
if idx == 0:
images_random_sharpness = np.transpose(image, (0, 2, 3, 1))
else:
images_random_sharpness = np.append(images_random_sharpness,
np.transpose(image, (0, 2, 3, 1)),
axis=0)
num_samples = images_original.shape[0]
mse = np.zeros(num_samples)
for i in range(num_samples):
mse[i] = diff_mse(images_random_sharpness[i], images_original[i])
logger.info("MSE= {}".format(str(np.mean(mse))))
if plot:
visualize_list(images_original, images_random_sharpness)
def test_random_sharpness_py_md5():
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with Python implementation with md5 comparison
Expectation: The dataset is processed as expected
"""
logger.info("Test RandomSharpness Python implementation with md5 comparison")
original_seed = config_get_set_seed(5)
original_num_parallel_workers = config_get_set_num_parallel_workers(1)
# define map operations
transforms = [
vision.Decode(True),
vision.RandomSharpness((20.0, 25.0)),
vision.ToTensor()
]
transform = mindspore.dataset.transforms.Compose(transforms)
# Generate dataset
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=transform, input_columns=["image"])
# check results with md5 comparison
filename = "random_sharpness_py_01_result.npz"
save_and_check_md5(data, filename, generate_golden=GENERATE_GOLDEN)
# Restore configuration
ds.config.set_seed(original_seed)
ds.config.set_num_parallel_workers(original_num_parallel_workers)
def test_random_sharpness_c(degrees=(1.6, 1.6), plot=False):
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with cpp op
Expectation: The dataset is processed as expected
"""
print(degrees)
logger.info("Test RandomSharpness cpp op")
# Original Images
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
transforms_original = [vision.Decode(),
vision.Resize((224, 224))]
ds_original = data.map(operations=transforms_original, input_columns="image")
ds_original = ds_original.batch(512)
for idx, (image, _) in enumerate(ds_original.create_tuple_iterator(num_epochs=1, output_numpy=True)):
if idx == 0:
images_original = image
else:
images_original = np.append(images_original,
image,
axis=0)
# Random Sharpness Adjusted Images
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
c_op = vision.RandomSharpness()
if degrees is not None:
c_op = vision.RandomSharpness(degrees)
transforms_random_sharpness = [vision.Decode(),
vision.Resize((224, 224)),
c_op]
ds_random_sharpness = data.map(operations=transforms_random_sharpness, input_columns="image")
ds_random_sharpness = ds_random_sharpness.batch(512)
for idx, (image, _) in enumerate(ds_random_sharpness.create_tuple_iterator(num_epochs=1, output_numpy=True)):
if idx == 0:
images_random_sharpness = image
else:
images_random_sharpness = np.append(images_random_sharpness,
image,
axis=0)
num_samples = images_original.shape[0]
mse = np.zeros(num_samples)
for i in range(num_samples):
mse[i] = diff_mse(images_random_sharpness[i], images_original[i])
logger.info("MSE= {}".format(str(np.mean(mse))))
if plot:
visualize_list(images_original, images_random_sharpness)
def test_random_sharpness_c_md5():
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with cpp op with md5 comparison
Expectation: The dataset is processed as expected
"""
logger.info("Test RandomSharpness cpp op with md5 comparison")
original_seed = config_get_set_seed(200)
original_num_parallel_workers = config_get_set_num_parallel_workers(1)
# define map operations
transforms = [
vision.Decode(),
vision.RandomSharpness((10.0, 15.0))
]
# Generate dataset
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=transforms, input_columns=["image"])
# check results with md5 comparison
filename = "random_sharpness_cpp_01_result.npz"
save_and_check_md5(data, filename, generate_golden=GENERATE_GOLDEN)
# Restore configuration
ds.config.set_seed(original_seed)
ds.config.set_num_parallel_workers(original_num_parallel_workers)
def test_random_sharpness_c_py(degrees=(1.0, 1.0), plot=False):
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with C and python Op
Expectation: The dataset is processed as expected
"""
logger.info("Test RandomSharpness C and python Op")
# RandomSharpness Images
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=[vision.Decode(), vision.Resize((200, 300))], input_columns=["image"])
python_op = vision.RandomSharpness(degrees)
c_op = vision.RandomSharpness(degrees)
transforms_op = mindspore.dataset.transforms.Compose([lambda img: vision.ToPIL()(img.astype(np.uint8)),
python_op,
np.array])
ds_random_sharpness_py = data.map(operations=transforms_op, input_columns="image")
ds_random_sharpness_py = ds_random_sharpness_py.batch(512)
for idx, (image, _) in enumerate(ds_random_sharpness_py.create_tuple_iterator(num_epochs=1, output_numpy=True)):
if idx == 0:
images_random_sharpness_py = image
else:
images_random_sharpness_py = np.append(images_random_sharpness_py,
image,
axis=0)
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=[vision.Decode(), vision.Resize((200, 300))], input_columns=["image"])
ds_images_random_sharpness_c = data.map(operations=c_op, input_columns="image")
ds_images_random_sharpness_c = ds_images_random_sharpness_c.batch(512)
for idx, (image, _) in enumerate(
ds_images_random_sharpness_c.create_tuple_iterator(
num_epochs=1,
output_numpy=True)):
if idx == 0:
images_random_sharpness_c = image
else:
images_random_sharpness_c = np.append(images_random_sharpness_c,
image,
axis=0)
num_samples = images_random_sharpness_c.shape[0]
mse = np.zeros(num_samples)
for i in range(num_samples):
mse[i] = diff_mse(images_random_sharpness_c[i], images_random_sharpness_py[i])
logger.info("MSE= {}".format(str(np.mean(mse))))
if plot:
visualize_list(images_random_sharpness_c, images_random_sharpness_py, visualize_mode=2)
def test_random_sharpness_one_channel_c(degrees=(1.4, 1.4), plot=False):
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with cpp op with one channel on MnistDataset (grayscale images)
Expectation: The dataset is processed as expected
"""
logger.info("Test RandomSharpness C Op With MNIST Dataset (Grayscale images)")
c_op = vision.RandomSharpness()
if degrees is not None:
c_op = vision.RandomSharpness(degrees)
# RandomSharpness Images
data = ds.MnistDataset(dataset_dir=MNIST_DATA_DIR, num_samples=2, shuffle=False)
ds_random_sharpness_c = data.map(operations=c_op, input_columns="image")
# Original images
data = ds.MnistDataset(dataset_dir=MNIST_DATA_DIR, num_samples=2, shuffle=False)
images = []
images_trans = []
labels = []
for _, (data_orig, data_trans) in enumerate(zip(data, ds_random_sharpness_c)):
image_orig, label_orig = data_orig
image_trans, _ = data_trans
images.append(image_orig.asnumpy())
labels.append(label_orig.asnumpy())
images_trans.append(image_trans.asnumpy())
if plot:
visualize_one_channel_dataset(images, images_trans, labels)
def test_random_sharpness_invalid_params():
"""
Feature: RandomSharpness op
Description: Test RandomSharpness with invalid input parameters
Expectation: Correct error is thrown as expected
"""
logger.info("Test RandomSharpness with invalid input parameters.")
try:
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=[vision.Decode(), vision.Resize((224, 224)),
vision.RandomSharpness(10)], input_columns=["image"])
except TypeError as error:
logger.info("Got an exception in DE: {}".format(str(error)))
assert "tuple" in str(error)
try:
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=[vision.Decode(), vision.Resize((224, 224)),
vision.RandomSharpness((-10, 10))], input_columns=["image"])
except ValueError as error:
logger.info("Got an exception in DE: {}".format(str(error)))
assert "interval" in str(error)
try:
data = ds.ImageFolderDataset(dataset_dir=DATA_DIR, shuffle=False)
data = data.map(operations=[vision.Decode(), vision.Resize((224, 224)),
vision.RandomSharpness((10, 5))], input_columns=["image"])
except ValueError as error:
logger.info("Got an exception in DE: {}".format(str(error)))
assert "(min,max)" in str(error)
if __name__ == "__main__":
test_random_sharpness_py(plot=True)
test_random_sharpness_py(None, plot=True) # Test with default values
test_random_sharpness_py(degrees=(20.0, 25.0),
plot=True) # Test with degree values that show more obvious transformation
test_random_sharpness_py_md5()
test_random_sharpness_c(plot=True)
test_random_sharpness_c(None, plot=True) # test with default values
test_random_sharpness_c(degrees=[10, 15],
plot=True) # Test with degrees values that show more obvious transformation
test_random_sharpness_c_md5()
test_random_sharpness_c_py(degrees=[1.5, 1.5], plot=True)
test_random_sharpness_c_py(degrees=[1, 1], plot=True)
test_random_sharpness_c_py(degrees=[10, 10], plot=True)
test_random_sharpness_one_channel_c(degrees=[1.7, 1.7], plot=True)
test_random_sharpness_one_channel_c(degrees=None, plot=True) # Test with default values
test_random_sharpness_invalid_params()